Report for 7377

Name

UCSD - University of California, San Diego, US

AS Adjacency Report

In the context of this report "Upstream" indicates that there is an adjacent AS that lines between the BGP table collection point (in this case at AS2.0) and the specified AS. Similarly, "Downstream" refers to an adjacent AS that lies beyond the specified AS. This upstream / downstream categorisation is strictly a description relative topology, and should not be confused with provider / customer / peer inter-AS relationships.

7377 UCSD - University of California, San Diego, US

  Adjacency:     3  Upstream:     2  Downstream:     1
  Upstream Adjacent AS list
    AS2153          CENIC-2153 - CENIC, US
    AS2152          CENIC-2152 - CENIC, US
  Downstream Adjacent AS list
    AS26397         OPTIPUTER - The Regents of the University of California - University of California, San Diego., US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
57    AS7377         ORIGIN  Originate:   12859904 /8.38   Transit:          0 /0.00  UCSD - University of California, San Diego, US

Aggregation Suggestions

        Filter: Aggregates, Specifics

This report does not take into account conditions local to each origin AS in terms of policy or traffic engineering requirements, so this is an approximate guideline as to aggregation possibilities.

 Rank AS            AS Name                                      Current  Wthdw  Aggte  Annce Redctn       %
15650 AS7377        UCSD - University of California, San Diego, U     18      2      0     16      2  11.11%


  Prefix               AS Path                              Aggregation Suggestion
  44.0.0.0/9           4777 2516 2152 7377    
  44.128.0.0/10        4777 2516 2152 7377    
  69.166.11.0/24       4608 7575 2153 7377    
  69.196.32.0/19       4608 7575 2153 7377    
  69.196.32.0/20       4608 7575 2153 7377  - Withdrawn - matching aggregate 69.196.32.0/19 4608 7575 2153 7377
  69.196.40.0/24       4608 7575 2153 7377  - Withdrawn - matching aggregate 69.196.32.0/19 4608 7575 2153 7377
  128.54.0.0/16        4608 7575 2153 7377    
  132.239.0.0/16       4608 7575 2153 7377    
  137.110.0.0/16       4608 7575 2153 7377    
  169.228.0.0/16       4608 7575 2153 7377    
  192.135.237.0/24     4608 7575 2153 7377    
  192.135.238.0/24     4608 7575 2153 7377    
  192.154.1.0/24       4608 7575 2153 7377    
  198.134.135.0/24     4608 7575 2153 7377    
  207.34.0.0/24        4608 7575 2153 7377    
  216.21.14.0/24       4608 7575 2153 7377    
  216.151.34.0/24      4608 7575 2153 7377    
  216.151.38.0/24      4608 7575 2153 7377    

Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.

AS7377   2 More Specifics   18 Total Advertisements   UCSD - University of California, San Diego, US
    69.196.32.0/20                69.196.32.0/19
    69.196.40.0/24                69.196.32.0/19

Whois Entry

whois: 402603

IANA has recorded AS7377 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS7377\n             
             #
             # ARIN WHOIS data and services are subject to the Terms of Use
             # available at: https://www.arin.net/resources/registry/whois/tou/
             #
             # If you see inaccuracies in the results, please report at
             # https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
             #
             # Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
             #
             
             
             ASNumber:       7377
             ASName:         UCSD
             ASHandle:       AS7377
             RegDate:        1996-11-25
             Updated:        2023-12-19
             Ref:            https://rdap.arin.net/registry/autnum/7377
             
             
             OrgName:        University of California, San Diego
             OrgId:          UCSD-1-Z
             Address:        IT Services
             Address:        9500 Gilman Dr, #0903
             Address:        Attn: Hostmaster
             City:           La Jolla
             StateProv:      CA
             PostalCode:     92093-0903
             Country:        US
             RegDate:        2023-08-23
             Updated:        2026-05-15
             Ref:            https://rdap.arin.net/registry/entity/UCSD-1-Z
             
             
             OrgRoutingHandle: NOC1807-ARIN
             OrgRoutingName:   Network Operations Center
             OrgRoutingPhone:  +1-858-822-0249 
             OrgRoutingEmail:  architects@ucsd.edu
             OrgRoutingRef:    https://rdap.arin.net/registry/entity/NOC1807-ARIN
             
             OrgAbuseHandle: UNA13-ARIN
             OrgAbuseName:   UCSD Network Abuse
             OrgAbusePhone:  +1-858-822-0249 
             OrgAbuseEmail:  network-abuse@ucsd.edu
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/UNA13-ARIN
             
             OrgDNSHandle: NOC1807-ARIN
             OrgDNSName:   Network Operations Center
             OrgDNSPhone:  +1-858-822-0249 
             OrgDNSEmail:  architects@ucsd.edu
             OrgDNSRef:    https://rdap.arin.net/registry/entity/NOC1807-ARIN
             
             OrgAbuseHandle: NOC1807-ARIN
             OrgAbuseName:   Network Operations Center
             OrgAbusePhone:  +1-858-822-0249 
             OrgAbuseEmail:  architects@ucsd.edu
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/NOC1807-ARIN
             
             OrgNOCHandle: NOC1807-ARIN
             OrgNOCName:   Network Operations Center
             OrgNOCPhone:  +1-858-822-0249 
             OrgNOCEmail:  architects@ucsd.edu
             OrgNOCRef:    https://rdap.arin.net/registry/entity/NOC1807-ARIN
             
             OrgTechHandle: NOC1807-ARIN
             OrgTechName:   Network Operations Center
             OrgTechPhone:  +1-858-822-0249 
             OrgTechEmail:  architects@ucsd.edu
             OrgTechRef:    https://rdap.arin.net/registry/entity/NOC1807-ARIN
             
             
             #
             # ARIN WHOIS data and services are subject to the Terms of Use
             # available at: https://www.arin.net/resources/registry/whois/tou/
             #
             # If you see inaccuracies in the results, please report at
             # https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
             #
             # Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
             #